28372020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10061}}^1$

素因数の和:10120

約数の個数: 48

約数和(自身を含む): 81139968

約数和(自身を除く): 52767948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 10061, 20122, 30183, 40244, 50305, 60366, 100610, 120732, 150915, 201220, 301830, 472867, 603660, 945734, 1418601, 1891468, 2364335, 2837202, 4728670, 5674404, 7093005, 9457340, 14186010, 28372020]

約数ペア:

[(1, 28372020), (2, 14186010), (3, 9457340), (4, 7093005), (5, 5674404), (6, 4728670), (10, 2837202), (12, 2364335), (15, 1891468), (20, 1418601), (30, 945734), (47, 603660), (60, 472867), (94, 301830), (141, 201220), (188, 150915), (235, 120732), (282, 100610), (470, 60366), (564, 50305), (705, 40244), (940, 30183), (1410, 20122), (2820, 10061)]